package com.sang.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.View;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

import java.util.Locale;

//如果你想diy一些定制化的功能，只要写这个组件，然后将它交给springboot，springboot就会帮我们自动装配
//扩展springmvc    dispatcherServlet
@Configuration
public class MyMvcConfig implements WebMvcConfigurer {

    //ViewResolver实现了视图解析器接口的类，我们就可以把他看作视图解析器

    @Bean
    public ViewResolver myViewResolver() {
        return new MyViewResolver();
    }

    //自定义了一个自己的视图解析器MyViewResolver
    public static class MyViewResolver implements ViewResolver {
        @Override
        public View resolveViewName(String s, Locale locale) throws Exception {
            return null;
        }
    }

}

